Data Sheet - MicroE Systems

ChipEncoder
SMT Encoder for High Performance, High Volume Designs
Small Size
7.0mm (W) x 11.0mm (L) x 3.1mm (H)
High Resolution
Linear: 10μm or 1μm per
quadrature count
Rotary: 3,300 to 327,000 quadrature
counts per revolution, dependent on
scale diameter
Digital three channel differential output:
A, B, and index window
Low Cost
ChipEncoder Reflective Surface Mount Encoder
Integration in your PC board design
reduces cost through streamlined,
automated manufacturing
The CE300 ChipEncoder is a modular SMT kit encoder system that
combines small size with high resolution.
Now high performance digital closed-loop motion control is possible
and affordable for your high volume product designs. The optical,
non-contact system consists of either a linear or rotary glass scale
and a BGA packaged sensor head that you integrate into your own
PCB design. Based on a 40μm pitch diffractive scale, the system's
integral interpolation electronics can deliver up to 1μm linear
resolution at high speed. The total cost of the ChipEncoder is low
because it is integrated into your PC board for minimal systems parts
count and automated pick and place manufacturing.
Benefits
• ChipEncoder breaks the price performance barrier to open
new possibilities for your motion control designs
• Integrates with other components on your PC board for
lowest total system cost; designed for low cost automated
PC board assembly
• High resolution with on-board interpolation and digital output
improves motion system accuracy and stability
• High speed capability enhances motion system performance
• Non-contact design for high reliability
• Small size enables ultra-miniature, low cost motion control
Features
• Compact total system height
• 24 pin ceramic BGA package
• Side castellated for electrical testing
• Broad alignment tolerances
• Digital quadrature output in differential pairs
• 40μm wide Index Window output in differential pair
• Two interpolation depths, x4 (CE300-4)
x40 (CE300-40)
• Linear resolution of 10μm or 1μm
• Rotary resolutions between 3,300 and 327,000 quadrature
counts per revolution depending on scale diameter and
interpolation depth
• 360kHz analog bandwidth yielding a top linear speed of
14m/s and rotary speed of 26,200 RPM
• RoHS compliant
10mm
ChipEncoder compared to USA 10 cent coin.
• Linear and rotary glass scales available in a variety of
standard lengths and diameters
• Custom scales available upon request
• Pre-mounted evaluation kits available
Page 1

ChipEncoder
Ideal for These Applications:
Replacing
Traditional
Encoders
ChipEncoder
Replaces
Conventional
Encoder Sensor
If you need higher resolution than your
present encoder can achieve, but you can't
meet your performance and cost targets with
a traditional encoder, the ChipEncoder is
your best solution.
Replacing
Packaged
Encoders
ChipEncoder
Replaces
Conventional
Packaged Rotary
Encoders
If you need to reduce the size of your
system without sacrificing performance, start
by replacing your packaged rotary
encoder. Packaged encoders are large,
bulky, and introduce coupling error. Highperformance
kit encoders are smaller, but
they often cost too much. The Chip Encoder
is your best solution.
Improving
Stepper
Motor
Performance
ChipEncoder
Improves
Stepper Motor
Performance
If you need to improve stepper motor microstepping
stability and accuracy, or verify
position accuracy, you need to add an
encoder to get better performance. The
problem is cost and size. The ChipEncoder
is your best solution.
Closing the
Motion Loop
in High
Volume
Designs
ChipEncoder Adds
Closed-Loop
Performance To
High-Volume
Open-Loop
Designs
If you need accuracy and repeatability
in your miniature open loop motion
platform, you need an encoder for
closed loop control. The ChipEncoder
is your best solution. It is low cost, highperformance
and tiny.
Adding
Low Cost
Closed Loop
Motion
Control to
New Designs
ChipEncoder Adds
Low-Cost Motion Control
to High-Volume
Applications
If your new product design requires a tiny
encoder for high-resolution position feedback
at an affordable cost, you don’t have to
invent your own encoder to meet your cost
and performance objectives. The
ChipEncoder is your best solution.
Page 2

ChipEncoder
Linear and Rotary Configurations
Linear Configuration
C/L
ChipEncoder
Linear Scale
See www.microesys.com for interface drawings.
Rotary Configurations
Low as 5.26mm*
C/L
ChipEncoder
1.25mm
Air Space
Rotary
Scale
Profile of the ChipEncoder with a 12mm
rotary scale - achieve up to 26,000 RPM
and resolutions from 3300 to 33,000 CPR
in this tiny package!
14.3mm
* Depending on scale selected
Linear and Rotary
Scales
Standard and Custom
Designed for
Your Application
MicroE Systems offers a wide array of
linear and rotary scales, all with built-in
index marks. We also offer hubs for use
with our rotary scales. If your application
requires custom scales or hubs in OEM
quantities, contact the factory for pricing
and delivery.
CE300-4
CE300-40
Pin Configurations
Pin
Name
Function
A+ A Quadrature Channel
A-
B+ B Quadrature Channel
CP+
B-
IW+
IW-
Sin+
AN
Index Window Channel
Sinusoidal Alignment Reference
Laser Anode
Above: Top view,
through package.
CA
Laser Cathode
DC1 Reference Threshold 1
DC2 Reference Threshold 2
CP+
Raw Index Signal
Page 3

ChipEncoder
Specifications
Parameter CE300-4 CE300-40
Power Supply 5 ±0.5 Volts DC 5 ±0.5 Volts DC
Current Draw 30mA 30mA
(unterminated outputs)
Output Signals CMOS/TTL CMOS/TTL
Output Format Differential Quadrature Differential Quadrature
Output Impedance 60Ω 60Ω
(per channel)
Operating Temp. 0 to +70°C 0 to +70°C
Storage Temp. -20 to +85°C -20 to +85°C
Max Lead-free Reflow Temp. † 260°C for < 5 seconds 260°C for < 5 seconds
Humidity 10 to 90% 10 to 90%
(RH non-condensing)
Shock 300G (0.40ms half sine) 300G (0.40ms half sine)
Vibration 30G @ 20Hz 30G @ 20Hz
Lifetime (MTTF) 100,000 hours 100,000 hours
Interpolation Depth x4 x40
Linear Resolution 10μm 1μm
Rotary Resolution (CPR) See Page 7 See Page 7
†
See Installation Manual at www.microesys.com/chipencoder for important handling, solder paste and reflow profile recommendations
CE300-4 (x4)*
10μm
1μm
CE300-40 (x40)*
A+
A+
B+
B+
IW+
40μm ±25%
(un-gated)
IW+
40μm ±25%
(un-gated)
ϕ = quadrature phasing = 90°±30% (both models)
* Negative phases omitted for clarity
Page 4

ChipEncoder
Electrical Interface
Component Dimensions
inches [mm]
.122[3.10]
Standoff: .049[1.25]
.433[11.00]
.24[6.1]
.275[6.99]
Complete interface drawings available at
www.microesys.com/chipencoder
.36[9.1]
Evaluation PCB
10 PIN ZIF CONNECTOR
PINOUTS
1 +5V
2 GND
3 IW-
4 IW+
5 A-
6 A+
7 B-
8 B+
9 NC
10 SIN+
Evaluation PCB is available in limited
quantity to aid in engineering development
and is not intended for use in OEM products.
PIN 1
MOLEX P/N
52207-1090 OR
EQUIVALENT
1.000[25.40]
.502[12.75]
2xR.048[1.23]
.900[22.86]
2xØ.120[3.05]
.050[1.27]
.850[21.59]
.396[10.05]
.900[22.86]
PAD 12
Ø.097[2.45]
2x .125[3.18]
2x .193[4.89]
.750[19.05]
2x .156[3.96]
See www.microesys.com for interface drawings with complete mounting dimensions.
Page 5

ChipEncoder
Linear Scales
A
.098[2.50]
A - 5mm
INDEX
C
B
A__
2
Scale Model A B C
L18CE 0.709[18.00] 0.236[6.00] 0.036[0.91]
L30CE 1.181[30.00] 0.236[6.00] 0.036[0.91]
L55CE 2.165[55.00] 0.236[6.00] 0.036[0.91]
L80CE 3.150[80.00] 0.236[6.00] 0.036[0.91]
L130CE 5.118[130.00] 0.236[6.00] 0.036[0.91]
L155CE 6.102[155.00] 0.236[6.00] 0.098[2.50]
L325CE 12.795[325.00] 0.236[6.00] 0.098[2.50]
(inches [mm])
Features
40μm diffraction pattern
10μm resolution with the CE300-4
1μm resolution with the CE300-40
Maximum speed = 14.4m/s
Center index mark
Scales are chrome patterns printed on B240 glass (CTE = 9.4ppm/°C)
Usable measuring length is 5mm less than total length
Temporary clamp kits to facilitate epoxy mounting
Optional pressure sensitive adhesive tape for permanent mounting
Custom scale lengths, materials and index locations available
Page 6

ChipEncoder
Rotary Scales
Scale Fundamental Max Speed Resolution, CE300-4 Resolution, CE300-40
CPR
RPM
CPR μrad arc-sec CPR μrad arc-sec
R1206CE 825 26,200 3300 1900 393 33,000 190 39.3
R1506CE 1024 21,100 4096 1530 316 40,960 153 31.6
R1910CE 1250 17,280 5000 1260 259 50,000 126 25.9
R3213CE 2048 10,550 8192 767 158 81,920 76.7 15.8
R5725CE 4096 5270 16,384 383 79.1 163,840 38.3 7.9
R10851CE 8192 2640 32,768 192 39.6 327,680 19.2 4.0
ØE
MOUNTING HOLE AND
THREAD F, EO, SPACED
ON BOLT CIRCLE ØG
B
A
D
MACHINE AXIS
C
Scale A B C Glass Scale w/ D E F G
Only (OD) (CPR) (ID) Thk. Optional (Hub ID) (Dia.) (Thread) (BCD)
Hub
R1206CE 0.472[12.00] 825 0.250[6.35] 0.036[0.91] R1206CE-HF 0.125[3.18] n/a n/a n/a
R1506CE 0.571[14.50] 1024 0.250[6.35] 0.036[0.91] R1506CE-HF 0.125[3.18] n/a n/a n/a
R1910CE 0.750[19.05] 1250 0.375[9.53] 0.092[2.34] R1910CE-HG 0.125[3.18] 0.047[1.19] 0-80 0.250[6.35]
R3213CE 1.250[31.75] 2048 0.500[12.70] 0.092[2.34] R3213CE-HH 0.250[6.35] 0.070[1.78] 2-56 0.370[9.40]
R5725CE 2.250[57.15] 4096 1.000[25.4] 0.092[2.34] R5725CE-HC 0.500[12.70] 0.136[3.45] 8-32 0.750[19.05]
R10851CE 4.250[107.95] 8192 2.000[50.80] 0.092[2.34] R10851CE-HD 1.000[25.40] 0.136[3.45] 8-32 1.375[34.80]
(inches[mm])
Features
Scales are chrome patterns printed on B240 glass (CTE = 9.4ppm/°C)
Optional hubs are 303/304 stainless steel (CTE = 17ppm/°C)
For factory mounted scales, optical patterns are centered to within 0.002” of the hub ID
Custom OD, ID, CPR and materials are available
Page 7

ChipEncoder
Ordering Information
To specify your ChipEncoder with the desired scale, consult the chart below to create the correct part number. Call MicroE Systems' Rapid
Customer Response team for more information at 781-266-5700.
CE300 - XX - X - XXXX - X
Interpolation
4 = x4
40 = x40
Eval PCB
PCB = mounted to evaluation PCB¹
(leave blank for unmounted chips)
Scale Model
L18CE = 18mm linear
L30CE = 30mm linear
L55CE = 55mm linear
L80CE = 80mm linear
L130CE = 130mm linear
L155CE = 155mm linear
L325CE = 325mm linear
R1206CE = 12mm OD rotary
R1506CE = 14.5mm OD rotary
R1910CE = 19.05mm OD rotary
R3213CE = 31.75mm OD rotary
R5725CE = 57.15mm OD rotary
R10851CE = 107.95mm OD rotary
Scale
Mounting
For linear scales:
T = Tape
C1 = 3 clamps²
C2 = 10 clamps³
For rotary scales:
NH = No hub
HF = 12mm & 15mm OD
HG = 19.05mm OD
HH = 32.13mm OD
HC = 57.15mm OD
HD = 107.95mm OD
1
1-9 quantities only
2
3 clamps for scales up to 130mm
3
10 clamps for scales 155mm or longer
Examples
Linear encoder evaluation kit: CE300-40-PCB-L30CE-T
Rotary encoder: CE300-4-R5725-HC
Packaging
CE300 Components are
provided in SMT tape in all
quantities. Orders ≥ 100
pieces are supplied on a reel
with a 100mm leader (250
pieces per reel maximum).
See the CE300 Installation
Manual for important ESD
handling precautions.
Dimensions in mm
4.0±0.1 2.0±0.1
TOP
COVER
TAPE
FEEDING
HOLE
7.37±0.1
11.43±0.1
∅1.5±0.1 1.5±0.1
11.5±0.1
24.0±0.1
3.86±0.1
12.0±0.1
CHIP POCKET
USER ORIENTATION OF FEED
∅1.5±0.1
DS-ChipEncoder-CE300 Rev G © 2011 MicroE Systems
MicroE Systems – World Headquarters: 125 Middlesex Turnpike • Bedford • MA 01730
www.microesys.com • info@microesys.com • T. [781]-266-5700 • F. [781]-266-5112
Page 8